Want to "save" women from the "horrors and degradation" of prostitution?
Pressure your government for Universal Basic Income. (And even then zip it because many people would still want to participate in sex work simply because they enjoy the work.) If more ladies said NO to bad conduct, needy demanding emails with lists of "you will do this", lack of respect with the "domme on a string attitude" "dress up doll" requests they may soon change their tune!
Who knows, you two might end up reconciling if you ultimately decide that she's the one.
If you've already gotten to the point of being caught up with a mistress, be an upstanding, Elite gentleman and make the honorable choice--end the relationship so you don't continue to endlessly string her along.
Sure, it'll be fun for a while, but when you're left completely alone you'll be wondering "Why the HELL did I do that? If you try to go back to your ex, things will never be the same again.
You've broken the trust and you will have to endure constant questioning due to your tarnished relationships. If you simply stay with your current girlfriend, you might never find true happiness again.
You're running the risk of falling victim to the same fate as your current girlfriend.
When you're alone, you'll certainly be in a dark place--having gone from two great women to none. When old girls get cycled out, new ones will certainly be cycled in.
In the honeymoon stage, everything between the two of you was new and amazing as lust slowly transformed into love.At this point you're almost certain to acquire a mistress to fulfill your needs that aren't being met at home. She is absolutely stunning and provides you with the excitement you've been searching for.